sequence! { procedure, context,
    // ACL Connection Established
    Upper Tester -> IUT: AuthenticationRequested {
        connection_handle: context.peer_handle()
    }
    IUT -> Upper Tester: AuthenticationRequestedStatus {
       num_hci_command_packets: 1,
       status: ErrorCode::Success,
    }
    IUT -> Upper Tester: LinkKeyRequest {
        bd_addr: context.peer_address(),
    }
    Upper Tester -> IUT: LinkKeyRequestNegativeReply {
        bd_addr: context.peer_address(),
    }
    IUT -> Upper Tester: LinkKeyRequestNegativeReplyComplete {
       num_hci_command_packets: 1,
       status: ErrorCode::Success,
       bd_addr: context.peer_address(),
    }
    IUT -> Upper Tester: IoCapabilityRequest {
        bd_addr: context.peer_address(),
    }
    Upper Tester -> IUT: IoCapabilityRequestNegativeReply {
        bd_addr: context.peer_address(),
        reason: ErrorCode::HostBusy,
    }
    IUT -> Upper Tester: IoCapabilityRequestNegativeReplyComplete {
        num_hci_command_packets: 1,
        status: ErrorCode::Success,
        bd_addr: context.peer_address(),
    }
    IUT -> Upper Tester: SimplePairingComplete {
        status: ErrorCode::AuthenticationFailure,
        bd_addr: context.peer_address(),
    }
    IUT -> Upper Tester: AuthenticationComplete {
        status: ErrorCode::AuthenticationFailure,
        connection_handle: context.peer_handle(),
    }
}